Home / 261,667.20-361,080.15-148,489.95

Finding the Fourth Proportional to 261,667.20, 361,080.15 and 148,489.95

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Solution

The fourth proportional to 261,667.20, 361,080.15 and 148,489.95 is: 204,904.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,667.20 : 361,080.15 = 148,489.95 : x
  2. Step 2: Convert to fraction form
    261,667.20/361,080.15 = 148,489.95/x
  3. Step 3: Cross multiply
    261,667.20x = 361,080.15 × 148,489.95
  4. Step 4: Simplify right side
    261,667.20x = 53,616,773,419.49
  5. Step 5: Solve for x
    x = 53,616,773,419.49/261,667.20
  6. Step 6: Final answer
    x = 204,904.45

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.